The image shows the surface of a mosquito egg (from Culex pipiens), which generates a water repellent network by connecting microscopically small structures to trap a thin layer of air. (Credit: Martin Oeggerli, The EMBO Journal)
infinity-imagined: Coccolithophores are microscopic algae that first appeared 220 million years ago, and flourished during the cretaceous period. They constantly remove carbon from the atmosphere as they die and sink to the ocean floor, producing chalk.
Under the Microscope: "The Adonis blue butterfly is rare because it's choosy. It lays its eggs (like the one above) only on horseshoe vetch, a European perennial. What's more, it looks for patches cropped by rabbits that allow easy landing.